OFDM Relay Cognitive Radio Multiple Antennas Synchronization Channel Estimation Full duplex Resource Allocation CDMA Spectrum Sensing Spectrum Sharing Interference Cancellation Stochastic Geometry Feedback Bi-Directional Neural Networks Energy Harvesting Heterogeneous Networks Equalizer Femtocell FBMC Equalization HetNet Device-to-Device (D2D) relay networks in-band full-duplex system interference suppression TVWS SC-FDMA interference Cell Search GFDM Handoff mode selection Channel estimation error Ultra Low Power Ultra-dense small cell Spectral efficiency Duplex 5G MIMO channel capacity Idle cells Ultra-dense small cell networks SINR mismatch problem WVAN Full-duplex inter user interference OCBT Timing and frequency offset timing misalignment ultra-dense small cell network Short burst transmission Poisson arrival MPA detector Waveforms CFO End-to-end delay On/off algorithm mMTC Bi-directional full-duplex OQAM Heterogeneous channel estimation capability Shortened TTI Latency bursty traffic model multi-spectral User association self interference cancellation Outdated channel estimation SCMA UWB Time-division duplex 5G mobile communication UFMC Vehicle-to-vehicle communication Spatial capacity intercarrier interference telecommunication traffic frame structure antenna arrays QAM intersymbol interference Zigbee body area networks health care amplify and forward communication quality of service Subband filtering resource block management Power control Traffic Empty cell Capacity cellular radio Number of training blocks Uplink SCMA system Reliability Communication range LTE-based V2V System level simulation